cryocon.h

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/* Copyright 2017 Michael Olberg <michael.olberg@chalmers.se> */
#ifndef CRYOCONTROLLER_H
#define CRYOCONTROLLER_H

#include <QObject>
#include <QUdpSocket>
#include <QMutex>

class CryoController : public QObject
{
    Q_OBJECT
 public:
    enum Channel {
        A = 0,  
        B = 1,  
        C = 2,  
        D = 3   
    };
    explicit CryoController(QObject *parent = 0);
    ~CryoController();

    bool isConnected();
    float readTemperature(Channel channel);
    void configureLoop(Channel channel, float T);
    void controlLoop();
    void stopLoop();

 private:
    void connectToServer();
    void closeConnection();
    int udpSendReceive(QString command, bool interactive = false);
    void dumpBuffer(QByteArray ba) const;
    void selectTemperatureUnit(Channel channel, char unit);

    /* these are private support functions for the public routines above */
    void dumpBuffer(bool out, char* buf) const;

    QMutex mutex;
    QByteArray sendBuffer;
    QByteArray recvBuffer;
    QUdpSocket socket;
    bool _connected;             /* flag holding status of communication   */
    int myTimerId;
};

#endif  // CRYOCONTROLLER_H